This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 7 |
| 6 | 30 |
| 7 | 141 |
| 8 | 671 |
| 9 | 3284 |
| 10 | 15998 |
| 11 | 78505 |
| 12 | 385766 |
| 13 | 2214783 |
| 14 | 9382168 |